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Home » Products » Nuclear » Level Switching » Principles of Operation
Point Level Switch Detector
GM-16
GM-17
Principles of Operation

Principles of Operation


Nuclear Continuous Level Measurement & Nuclear Point Level
Nuclear Continuous Level Measurement
Nuclear continuous level measurement works by directing a collimated fan of radiation through the vessel to a detector. As the process level rises, it shields the detector from the radiation. The more radiation the detector "sees", the lower the process level. The less radiation detected, the higher the process level.  Process level is provided in the form of a current output.

Nuclear Point Level
Point level detection uses a focused beam of radiation directed at a small detector that senses the presence or absence of the beam. When the beam is blocked by process, the detector sees little radiationfrom the source. Ohmart point level detectors can be set as either high or low alarms.